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Home >> Volvo >> 2007 >> C70 Automatic >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Electrical Power Steering Module (EPS) And Steering Wheel Module (SWM) - Specifications, Other >> Electrical Power Steering Module (EPS) >> Description Of Parameters >> Pump Motor Speed, Actual Value
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Pump Motor Speed, Actual Value

Measurement range 0-6375 rpm.

Indicates the present speed of the pump motor. The speed is measured via an engine speed sensor that is integrated in the pump motor for the electrical power steering module (EPS). When the engine is running, the car is stationary and no steering wheel movements are taking place, the speed of the pump motor must be approximately 2900 rpm +/- 100 rpm, depending on the vehicle profile.

HINT: The speed must correspond to the parameter "Pump motor speed desired value". A difference of approximately 30 rpm between the Actual value and the Desired value is normal. In extremely cold conditions, significantly greater differences can arise between the Actual and the Desired values. 

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